Invisibility is a noun.
The word "density" is a noun. It refers to the degree of compactness of a substance.
The word nanosecond is a noun. The plural form is nanoseconds.
The word "motionless" is an adjective. It describes something that is not moving or lacking in motion.
The word moving is a verb. It is the present participle of the verb move.
The word 'physics' is a noun, a word for the science or study of nature and properties of matter and energy; a word for a concept; a word for a thing.
The part of speech that the word my is used as is an adjective.
The part of speech for this particular word is a noun.
The part of speech for the word civilian is English grammar.
The part of speech for the word diplomacy is a noun.
H is a letter, not a word. To be a part of speech, it needs to be a word.
The part of speech for the word "boulevard" is a noun.
The word speech is a noun.
The part of speech for this particular word is a noun.
The word speech is a noun.
The word speech is a noun.
The word speech is a noun.
It is not ANY part of speech, there is no such English word as "stroobly".